Dishwashing machine



May 27, 1930. E. s. STODDARD 1,760,668

DI SHWASHING MACHINE Filed May 24, 1928 2 Sheets-Sheet 1 May 27, 1930, E. s. STODDARD DISHWASHING MACHINE Filed May 24. 1928 2 Sheets-Sheet 2 I 720671167" Eaigar k5 fiioddaf'ci By mwagmfm flag Patented May 27, 1930 UNITED STATES Enema s. s'ronnann, or BERWYN, ILLINOIS, .assroaion. r rm: conovrm comm,

-- or carcneo, rumors, A coaromrron or nmmors I DISHWASEING MAGHINE A Application filed my 24,

This application relates to improved hinge and lid support construction for dishwashing machines, which hinge and lid construction is especially adapted for utilization in portable dishwashing machines of large diameter.

In dishwashing machines it is frequently desirable to place the cover in inverted horizontal position and then to utilize such cover as a holder for the racks while they. are being loaded or unloaded. In order to enablethe inverted cover to perform this function it is necessary to suitablysup ort it so that j. unbalanced load in the 11:11 'unottendtosp' the 'ge.

' invention is to provide:

set'upon it will so of the hinge and lid support construction .when the lid is in invertedhorizontal pos1- tion; and

Figure 4 represents a sectional top upon the line 4-4 of Figure 2.

view

35 In Figure 1 the tank 11 of the washing machine is provided with a conical or centrally drained bottom 12 and a cover 13.

The side of the tank 11 is provided with two strengthening grooves 14.v .-From the upper 40 one of the strengthening grooves is suspended the upper 'dish rack 15 which is especially adapted to hold deep vessels such as glasses, cups, etc. In the washing chamber the lower rack 16 is ada ted to be support-ed directly 4 upon the bottom 12 of-the' tank 11.

1928. Serial 1T0. 280,128.

; Attached to the side of the tank 11 and supporting it are three symmetrically positioned legs 20, the lower ends of which are provided with the rollers 21. In the lowest central portion of the washing chamber substantially below the'dish racks, is positioned an impeller 22, which is driven by the inferiorly positioned motor 23. The motor 23 is supported by the spider 24, the ends of the arms of which are attached to the legs 20. The machine is provided with an adjustable swingmg conduit 25 which is adapted to receive liquids to be admitted to the washing chamber or which is adapted to dischar e liquids which have been utilized in the was o ing chamber of the machine. The end of the conduit, 25 is provided with an adjustable funnel 26 which can be turned upwardly. to receive liquids or downwardly to discharge liquids. t

At the lowest part of the washing chamber of the machine is positioned a well chamber 30 which is divided into two compartments by the plate 31. In the lowest compartment is a centrifugal device 32 which is attached to thelower part of the shell of the impeller 22 and which is also driven by the motor 23.

Oneside of thelid 13 is provided with a handle which is adapted to fit the hand. To the side of the cover. 13 adjacent to the 'rear leg is attached the hinge and lid support. construction which will now be described (see Figures 1, 2 and 3). To the rear of the 'hdis attached a plate 41 which is. rovided with two rolledportions 42 formin A earings for one end of the guide rods 43.

, be other ends of these guide rods 43 are adapted'to I fit into bearings 44 in the T-shaped support rod. The T-shaped lid sup ort rod comprises a horizontal member 46, t e u per side of which is adapted to contact wit the lid when in inverted horizontal position, as shown in Figure 3. The horizontal rod 46 is' attached'to two angularrods 47 which coalesce and-join with the vertical rod 48. 90,"

The vertical rod 48 is held in a yoke 49 by means of the bolt 50. The yoke49 is attached to the rear leg and to a bracket 52 by means of the bolt 51.

The yoke 49 is constructed of material of sufiicient strength to prevent its being deformed by the load it is subjected to. The guide legs 73 are designed to closely fit the outside of the leg 20 to prevent the rotation of the bracket 49 and to assist in rigidly holding the support rod.

The other side of the plate 41 than that which containsthe bearings 42 is alsoprovided with a series of bearings which interfit into and with a series of upwardly projecting bearings62 which are part of the member or plate 61. Through these inter fittin bearings 60 and 62 (see Figure 2) is passm l a bearing rod 63 on which the lid is hinged. The plate 61 (see Figure 4) which constitutes the lower section of the cover hinge is constructed to fit the contour of the tank. The radial I the radial bolt holes 75 to assist in tightenpads 71 are'provided at ing vthe hinge plate 61' without distorting the tank 11 and brackets 67. The outer face of the hinge is provided with tapered washers 72 to support the heads of the radial screws or bolts 66 upon the outer flat surface of the plate 61. A central tail piece 64 is provided to rigidly fasten the rear leg 20 to the plate 61. The plate 61 is attached to the rear leg by means of the bolt 65 and is attached to the body of the tank by means of the bolts 66 and the brackets 67.

If desired, the lid support construction shown may be modified so that the angular cross pieces 47 will be combined with the horizontal portion 46 to form a single combined T-portion. In some instances, to prevent the top of the horizontal portion 46 from marking the lid it may be desirable to place a rubber tube or other flexible material around the horizontal member 46.

The guide rods 43 serve to locate the straight hinged support rod on the surface of the horizontally opened cover at a suflicient distance from the tank to give eflicient support. They also fold the hinged support rod close to the side of the tank, out of the way, when the cover is in closed position.

' The uide rods 43 and the support rod 46 are so a usted that there will be suflicient s ace between the guide rods and support an the machine to prevent the operators fingers from being squeezed or pinched during opening or closin of the cover.

What is c aimedis:

1. In a hinge and lid support construction for washing machines, a hinged lid and a vertical bar,.the lower end of which is pivotally attached to the rear leg of the machine at a point substantially below the top of themachine and the upper end of which is rovided with a.T.-shaped portion whic 'is adapted to support the lid when in inverteda cover for said tank, a'T-shaped support rod for the cover when in inverted horizontal position, the cover being provided at the hinge side with a plate attached to the cover, one side of the plate being rolled to form a bearing for guide rods attached to the upper part of the T-shaped support rod and another side being rolled to form a bearing for the hinge rod.

3. A tank for a washing-machine with a cover fixedly hinged to the top of the tank, a substantially straight rod pivotally attached at the lower end to the tank at a point substantially below the top of the tank, and terminating at the topiend in an enlarged contact area, said enlarged contact area being adapted to contact with the inverted top of cover when cover is open and in inverted horizontal position at a substantial distance from the hinge.

4. A tank for a washing machine with a hinged cover, a substantially straight rod, pivotally attached at the lower end to the tank and terminating at the upper end in an enlarged contact area, with guides to automatically position the said enlarged area in contact with the horizontally opened tank cover to provide maximum supporting efi'ect.

5. A tank for a washing machine with a cover fixedly hinged to the top of the tank, a substantially straight rod pivotally attached at the lower end to the tank and terminating at the upper end in an enlarged contact area, whose greatest dimension is parallel to the hinge rod upon which the cover-rotates, said enlarged contact area bein adapte'd'to contact with the inverted top 0 cover when cover is open and in inverted horizontal position at a' substantial distance from the hinge.

6. A tank for a washing machine with a hinged cover, a substantially strai ht rod, pivotally attached at the lower en \to the tank frame work and terminating at the upper end in an enlarged contact area, whose greatest dimension is parallel to the rod upon which thecover hinge rotates, said contact area bein automatically .positioned beneath horizonta ly opened cover by means of guide rods attached both to said cover and to said support rod.

A tank for a washing machine with a hinged cover, and a substantially straight rod, pivotally attached at the lower end to the rear leg supporting the tank by means of a yoke which is attached to'said leg and which hin e rod, one member being rigidly attached to the cover and the other member being formed to fit the contour of the tank, said last mentioned member being provided with radially ositioned pads containing radial bolt holes or rigidly attac said member to brackets attached to the si e of the tank. l

9. A tank for a washing machine provided with a hinged cover, said hinge structure comprising two interfitting members which are adapted to form a straight bearing for the hinge rod, one member being rigidly attached to t e cover and the other member being formed to fit the contour of the tank, said last mentioned member being provided with radiallyfositioned pads containing radial bolt holes or rigidly attaching said member to brackets attached to the side of the tank and tapered washers adapted to support the heads of the radial bolts rigidly upon the fiat outer surface of the lower hinge memr. v 10. In a hinge and lid support construction for vertical tank, a hinged lid and a vertical bar, the lower end of which is movably attached to the rear leg of the machine at a point substantially below the top of the mai Y chine and the upper end of which is provided with an enlarged portion which is adapted to support the lid when in inverted horizontal position, which enlarged portion is connected to the lid by swinging guide rods.

11. A tank, provided wit-h a cover, a swinging support rod for the cover when in inverted horizontal position, swinging guide rods attached to the top of the support rod and the cover, the cover being provided-at the hinge side with a plate attached to the cover, the inner side of the plate being rolled to form a ing rolled to forma bearing for the hinge ro 12. A vertical tank provided with a hinged cover, straight rods, fixedly and pivotally at- 13. A vertical tank provided with a hinged tached to the tank at a point substantially be- EDGAR S, STODDARD;

bearing for guide rods and the outer side-becover, a swinging vertical rod ivotally at tached at its lower end to the t substantial distance below the 65 structure a sitionof the V hinge and adapted to supportt e lid when in open position with its u per end, and means to swing the vertical ro away from the tank 60 the inverted cover a substantial distance om the position of the hinge and to swing the vertical rod towardthe tank when the cover is closed so-that it will positioned closely 65 adjacent thereto.

when the cover is lifted so that it will sup ort 

